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Sigillioidea

Ostracoda - Podocopida

Taxonomy
Sigilliacea was named by Mandelstam (1960). Its type is Sigilliidae.

It was corrected as Sigillioidea by Liebau (2005), Forel (2017), Tanaka (2018), Kolar-Jurkovšek et al. (2024).

It was assigned to Bairdiocopina by Forel (2017); and to Sigilliocopina by Liebau (2005), Tanaka (2018), Kolar-Jurkovšek et al. (2024).

Subtaxa
Krausellidae, Microcheilinellidae, Sigilliidae (type family)

Synonymy list
YearName and author
2005Sigillioidea Liebau
2017Sigillioidea Forel
2018Sigillioidea Tanaka p. 23
2024Sigillioidea Kolar-Jurkovšek et al. p. 184

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
—Mandibulata
RankNameAuthor
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPodocopidaSars 1866
suborderSigilliocopinaMartens 1992
superfamilySigillioidea(Mandelstam 1960)
superfamilySigillioidea(Mandelstam 1960)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Superfm. †Sigillioidea Mandelstam 1960
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Fm. †Krausellidae Berdan 1961
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G. †Janusella
G. †Trianguloschmidtella Sarv 1963
Fm. †Microcheilinellidae Gramm 1975
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G. †Microcheilinella Geis 1933
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†Microcheilinella aculeata Buschmina 1975
†Microcheilinella inflata Kellett 1935
†Microcheilinella lata Crasquin 2008
†Microcheilinella mariettensis Kesling and Chilman 1978
†Microcheilinella pagodaensis Zazzali et al. 2015
†Microcheilinella peculiaris Rozhdestvenskaya and Netchaeva 1972
†Microcheilinella peroi Kozur 1985
†Microcheilinella shicheni Crasquin 2010
†Microcheilinella subovata Tanaka and Maeda 2012
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Invalid names: Microcheilinella bullata Guan 1978 [synonym]
†Microcheilinella tschikalyensis Kotschetkova 1972
†Microcheilinella tsubogawensis Tanaka and Ichida 2012
†Microcheilinella wujiapingensis Zazzali et al. 2015
Invalid names: Alveus Hamilton 1942 [synonym]
Fm. †Sigilliidae Mandelstam 1960
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G. Cardobairdia van den Bold 1960
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†Cardobairdia harskutensis Monostori 1996
†Cardobairdia liasica Drexler 1958
G. Saipanetta McKenzie 1968
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Environment: hypersaline, marine, brackish, freshwaterc
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: detritivoreo
Diet 2: grazero
Vision: limitedc
Created: 2010-02-05 02:00:00
Modified: 2010-02-23 23:16:56
Source: o = order, c = class
References: Jell and Adrain 2002, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Idavere to the top of the Burdigalian or 458.00000 to 15.98000 Ma
Minimum age of oldest fossil (stem group age): 452.8 Ma

Collections (412 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Idavere458.0 - 452.8Latvia (Daugavpils) Trianguloschmidtella triangulata (192983)
Juuru443.1 - 440.8Estonia Microcheilinella lubrica (77389)
Llandovery443.1 - 432.9Ukraine Microcheilinella variolaris (23343)
Llandovery443.1 - 432.9Russian Federation Microcheilinella semibulbosa, Microcheilinella lubrica (24773)
Adavere438.8 - 433.5Estonia (Saare) Microcheilinella semibulbosa (192058) Microcheilinella semibulbosa, Microcheilinella sp. (192057)
Wenlock432.9 - 426.7Ukraine Microcheilinella convexa (23350 23364)
Wenlock432.9 - 426.7Lithuania Microcheilinella ianica (207352 207353)
Pridoli422.7 - 419.62Russian Federation Microcheilinella sp. (24747)
Pridoli - Lochkovian422.7 - 413.02USA (Oklahoma) Janusella biceratina (26826)
Lochkovian419.62 - 413.02Russian Federation (Sverdlovskaya Oblast) Microcheilinella ventrosa (81749)
Lochkovian419.62 - 413.02USA (New York) Janusella sp. (24815)
Lochkovian - Pragian419.62 - 410.62Russian Federation Microcheilinella sp. (24737)
Pragian413.02 - 410.62Russian Federation (Sverdlovskaya Oblast) Microcheilinella regularis, Microcheilinella ventrosa (81750)
Pragian - Early/Lower Emsian413.02 - 399.5Russian Federation (Sverdlovskaya Oblast) Microcheilinella ventrosa (81797)
Early/Lower Emsian410.62 - 399.5Russian Federation Microcheilinella larionovae (35713 35714) Microcheilinella ventrosa, Microcheilinella larionovae (35710 35711 35712 35749)
Emsian410.62 - 393.47Russian Federation (Sverdlovskaya Oblast) Microcheilinella affinis (81802)
Late/Upper Emsian399.5 - 393.47Russian Federation Microcheilinella larionovae (35715 35716 35718 35719) Microcheilinella ventrosa, Microcheilinella larionovae (35717 35720)
Givetian387.95 - 382.31France Microcheilinella clava (38683) Microcheilinella sp., Microcheilinella affinis, Microcheilinella clava (38681)
Givetian387.95 - 382.31USA (Ohio) Microcheilinella mariettensis (81857 206972 206973 206974)
Givetian387.95 - 382.31China Microcheilinella subinfradomanica (235938)